2120623 has 8 divisors (see below), whose sum is σ = 2232288. Its totient is φ = 2010624.

The previous prime is 2120621. The next prime is 2120639. The reversal of 2120623 is 3260212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120623 - 2¹ = 2120621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120597 and 2120606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2815 + ... + 3487.

It is an arithmetic number, because the mean of its divisors is an integer number (279036).

2^2120623 is an apocalyptic number.

2120623 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2120623 is a deficient number, since it is larger than the sum of its proper divisors (111665).

2120623 is a wasteful number, since it uses less digits than its factorization.

2120623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2120623 is about 1456.2359012193. The cubic root of 2120623 is about 128.4757482734.

Adding to 2120623 its reverse (3260212), we get a palindrome (5380835).

The spelling of 2120623 in words is "two million, one hundred twenty thousand, six hundred twenty-three".